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src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346403182232/3256037.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="piprovs" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346403182232/3256037.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="odkrjvs" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>甘肅反射濺射真空鍍膜平臺(tái),真空鍍膜</p><p><span>***更新：</span>2021-01-02 03:20:21</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="eo2myv2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">廣東省科學(xué)院半導(dǎo)體研究所</a></p><p><span>聯(lián)系人：</span>曾昭燴</p><p><span>郵箱: </span>512480780@qq.com</p><p><span>電話: </span>15018420573</p><p><span>傳真: </span>020_</p><p><span>網(wǎng)址: </span>http://www.gdssli.com</p><p><span>手機(jī): </span>020-61086422</p><p><span>地址: </span>長興路363號(hào)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="7i2wyvx" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="auh2mof" class="box"><p><p style="text-indent:25px">真空蒸發(fā)鍍膜法，設(shè)備比較簡(jiǎn)單、容易操作、制成的薄膜純度高、質(zhì)量好，甘肅反射濺射真空鍍膜平臺(tái)，甘肅反射濺射真空鍍膜平臺(tái)、膜厚容易控制，成膜速率快，效果高。在蒸發(fā)溫度以上進(jìn)行蒸發(fā)試，蒸發(fā)源溫度的微小變化即可引起蒸發(fā)速率發(fā)生很大變化。因此，在鍍膜過程中，想要控制蒸發(fā)速率，必須精確控制蒸發(fā)源的溫度，加熱時(shí)應(yīng)盡量避免產(chǎn)生過大的溫度梯度。蒸發(fā)速率正比于材料的飽和蒸氣壓，甘肅反射濺射真空鍍膜平臺(tái)，溫度變化10%左右，飽和蒸氣壓就要變化一個(gè)數(shù)量級(jí)左右。真空蒸發(fā)鍍膜是在真空室中，加熱蒸發(fā)容器待形成薄膜的原材料，使其原子或者分子從表面氣化逸出，形成蒸汽流，入射到襯底或者基片表面，凝結(jié)形成固態(tài)薄膜的方法?；瘜W(xué)氣相沉積法是一種利用化學(xué)反應(yīng)的方式，將反應(yīng)氣體生成固態(tài)的產(chǎn)物，并沉積在基片表面的薄膜沉積技術(shù)。甘肅反射濺射真空鍍膜平臺(tái)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅反射濺射真空鍍膜平臺(tái),真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346403182232/3256037.png"></div><p style="text-indent:25px">PECVD主要由工藝管及電阻加熱爐、凈化推舟系統(tǒng)、氣路系統(tǒng)、電氣控制系統(tǒng)、計(jì)算機(jī)控制系統(tǒng)、真空系統(tǒng)6大部分組成。PECVD的主要性能指標(biāo)，PECVD設(shè)備的主要特點(diǎn)，該設(shè)備成膜種類為氮化硅，這種PECVD成膜均勻性好、穩(wěn)定性高。每片硅片間不均勻性誤差在5%之內(nèi)，同一批硅片間的誤差在6%之內(nèi)，不同批次硅片間誤差在7%之內(nèi)。溫度要求比較低，成膜溫度為150℃～500℃，恒溫區(qū)溫度均勻，誤差范圍在2℃之內(nèi)，并且在整個(gè)成膜過程中隨時(shí)間變化小，誤差范圍為2℃/24h之內(nèi)。升溫時(shí)間較短，工作壓力范圍廣，恢復(fù)真空時(shí)間短，設(shè)備封閉性強(qiáng)并且具有溫度控制和計(jì)算機(jī)自動(dòng)監(jiān)控等安全措施功能。除此之外，PECVD與一般CVD相比有更多的優(yōu)點(diǎn)。四川ITO鍍膜真空鍍膜技術(shù)磁控濺射常用于新型氧化物，陶瓷材料的鍍膜，電子束則用于對(duì)薄膜質(zhì)量較高的金屬材料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅反射濺射真空鍍膜平臺(tái),真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346267351266/5900331.png"></div><p style="text-indent:25px">電子束蒸發(fā)的金屬粒子只能考自身能量附著在襯底表面，臺(tái)階覆蓋性比較差，如果需要追求臺(tái)階覆蓋性和薄膜粘附力，建議使用磁控濺射。電子束蒸發(fā)是目前真空鍍膜技術(shù)中一種成熟且主要的鍍膜方法，它解決了電阻加熱方式中鎢舟材料與蒸鍍?cè)床牧现苯咏佑|容易互混的問題。同時(shí)在同一蒸發(fā)沉積裝置中可以安置多個(gè)坩堝，實(shí)現(xiàn)同時(shí)或分別蒸發(fā)，沉積多種不同的物質(zhì)。通過電子束蒸發(fā)，任何材料都可以被蒸發(fā)，不同材料需要采用不同類型的坩堝以獲得所要達(dá)到的蒸發(fā)速率。電子束蒸發(fā)可以蒸發(fā)高熔點(diǎn)材料，比一般電阻加熱蒸發(fā)熱效率高、束流密度大、蒸發(fā)速度快，制成的薄膜純度高、質(zhì)量好，通過晶振控制，厚度可以較準(zhǔn)確地控制，可以普遍應(yīng)用于制備高純薄膜和各種光學(xué)材料薄膜。</p><p style="text-indent:25px">為了獲得性能良好的半導(dǎo)體電極Al膜，我們通過優(yōu)化工藝參數(shù)，制備了一系列性能優(yōu)越的Al薄膜。通過理論計(jì)算和性能測(cè)試，分析比較了電子束蒸發(fā)與磁控濺射兩種方法制備Al膜的特點(diǎn)?？紤]Al膜的致密性就相當(dāng)于考慮Al膜的晶粒的大小，密度以及能達(dá)到均勻化的程度，因?yàn)樗仓苯佑绊慉l膜的其它性能，進(jìn)而影響半導(dǎo)體嘩啦的性能。氣相沉積的多晶Al膜的晶粒尺寸隨著沉積過程中吸附原子或原子團(tuán)在基片表面遷移率的增加而增加。由此可以看出Al膜的晶粒尺寸的大小將取決環(huán)于基片溫度、沉積速度、氣相原子在平行基片方面的速度分量、基片表面光潔度和化學(xué)活性等因素。電子束蒸發(fā)：將蒸發(fā)材料置于水冷坩堝中，利用電子束直接加熱使蒸發(fā)材料汽化并在襯底上凝結(jié)形成薄膜，是蒸度高熔點(diǎn)薄膜和高純薄膜的一種主要加熱方法。等離子體化學(xué)氣相沉積法，利用了等離子體的活性來促進(jìn)反應(yīng)，使化學(xué)反應(yīng)能在較低的溫度下進(jìn)行。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅反射濺射真空鍍膜平臺(tái),真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346489862571/6081456.png"></div><p style="text-indent:25px">真空鍍膜的工藝流程：真空鍍膜的工藝流程一般依次為：前處理及化學(xué)清洗（材料進(jìn)行有機(jī)清洗和無機(jī)清洗）→襯底真空中烘烤加熱→等離子體清洗→金屬離子轟擊→鍍金屬過渡層→鍍膜（通入反應(yīng)氣體）。PECVD，等離子體化學(xué)氣相沉積法是借助微波或射頻等使含有薄膜組成原子的氣體電離，使局部形成等離子體，而等離子體化學(xué)活性很強(qiáng)，兩種或多種氣體很容易發(fā)生反應(yīng)，在襯底上沉積出所期待的薄膜。為了使化學(xué)反應(yīng)能在較低的溫度下進(jìn)行，利用了等離子體的活性來促進(jìn)反應(yīng)，因此，這種CVD稱為等離子體增強(qiáng)化學(xué)氣相沉積。利用PECVD生長的氮化硅薄膜可在低溫下成膜。河北功率器件真空鍍膜加工平臺(tái)</p><p style="text-indent:25px">評(píng)價(jià)氧化硅薄膜的質(zhì)量：腐蝕速率越慢，薄膜質(zhì)量越致密，反之，腐蝕速率越快，薄膜質(zhì)量越差。甘肅反射濺射真空鍍膜平臺(tái)</p><p style="text-indent:25px">真空鍍膜技術(shù)一般分為兩大類，即物理的氣相沉積技術(shù)和化學(xué)氣相沉積技術(shù)。物理的氣相沉積技術(shù)是指在真空條件下，利用各種物理方法，將鍍料氣化成原子、分子或使其離化為離子，直接沉積到基體表面上的方法。制備硬質(zhì)反應(yīng)膜大多以物理的氣相沉積方法制得，它利用某種物理過程，如物質(zhì)的熱蒸發(fā)，或受到離子轟擊時(shí)物質(zhì)表面原子的濺射等現(xiàn)象，實(shí)現(xiàn)物質(zhì)原子從源物質(zhì)到薄膜的可控轉(zhuǎn)移過程。電子束蒸發(fā)：將蒸發(fā)材料置于水冷坩堝中，利用電子束直接加熱使蒸發(fā)材料汽化并在襯底上凝結(jié)形成薄膜，是蒸度高熔點(diǎn)薄膜和高純薄膜的一種主要加熱方法。甘肅反射濺射真空鍍膜平臺(tái)</p><p style="text-indent:25px">廣東省科學(xué)院半導(dǎo)體研究所位于長興路363號(hào)。公司業(yè)務(wù)涵蓋微納加工技術(shù)服務(wù)，真空鍍膜技術(shù)服務(wù)，紫外光刻技術(shù)服務(wù)，材料刻蝕技術(shù)服務(wù)等，價(jià)格合理，品質(zhì)有保證。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于電子元器件行業(yè)的發(fā)展。廣東省半導(dǎo)體所立足于全國市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2665942.html</p></div></div></div></div></div><div id="h3yizry" class="page-right twoColRt"><div id="z3t82sr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fubyvco" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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